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Concat()| Concat two or more arrays and returns the result.

Join()| puts all the elements in the array into a string. Elements are separated by the specified delimiter.

pop()？ | Deletes and returns the last element of the array.

Push()| Adds one or more elements to the end of the array and returns a new length.

Reverse ()? | Reverses the order of the elements in the array.

shift()？ | Deletes and returns the first element of the array.

slice()？ | Returns the selected element from an existing array.

Sort()| Sorts the array elements.

Splice()| Deletes an element and adds a new element to the array.

ToSource()| Returns the source code of an object.

ToString()| Converts an array into a string and returns the result.

ToLocaleString()| Converts an array to a local array and returns the result.

unshift()？ | Adds one or more elements to the beginning of an array and returns a new length.

valueOf()？ | Returns the original value of an array object.